I also put toothpaste in my ears. I probably put more toothpaste in my ears on a regular basis than I put in my mouth. My room mate finds this slightly disturbing, but also recognizes that it's not really harmful and doesn't require an "Intervention". Choose your battles, is what I'm saying. Sometimes we just have to have respect for others beliefs, even if they are totally illogical to us. Religion is illogical, yet 85% of the planet is religious. Go fig.